Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLVO2002S80 T6 EXECUTIVE L6-2.9L TURBO VIN 91 B6294TREPAIR AND DIAGNOSISBODY AND FRAMESEATSPOWER SEAT CONTROL MODULEDESCRIPTION AND OPERATIONPOWER SEAT MODULE DIAGNOSTIC FUNCTIONS
2002 Volvo S80 T6 Executive L6-2.9L Turbo VIN 91 B6294T
Power Seat Module Diagnostic Functions
2002 Volvo S80 T6 Executive L6-2.9L Turbo VIN 91 B6294TSECTION Power Seat Module Diagnostic Functions
Power Seat Module Diagnostic Functions
General
The control module has a built-in diagnostic system, the Volvo on-board diagnostic (OBD) system, which continuously monitors itself and its input and output signals.
Diagnostic trouble codes (DTCs)
If the control module detects a fault it will store a diagnostic trouble code (DTC). A fault which is detected in the latest driving cycle is defined as permanent. Other detected faults are defined as intermittent.
Reading and erasing diagnostic trouble codes (DTCs)
Stored diagnostic trouble codes (DTCs) can be erased using this function.
Erasing diagnostic trouble codes (DTCs) can only be carried out when all diagnostic trouble codes (DTCs) have been read at least once.
Reading off control module identification
VIDA identifies the control modules by reading off a number of codes from control module memory. The codes contain information about control module:
- P/N hardware control module without software).
- serial number hardware (control module without software).
- P/N software.
- P/N diagnostic software.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.